Mothra Leo is the son of Mothra in the Rebirth of Mohtra trilogy.
Crossover with Gamera[]
In the game Gamera: Dream Battle, you can make kaiju from Mothra: Dream Battle fight Gamera, Gyaos or Iris. They can battle the monsters in Mothra: Dream Battle which are King Ghidrah, Mecha King Ghidrah, Destroyah, Rodan, Mecha Godzilla, Mougera or Battra.